Answer:
3 minutes and 48 seconds
Step-by-step explanation:
Answer: 4 minutes 36 seconds
Step-by-step explanation:
Add the 24 seconds to 4 minutes 12 seconds. 24 + 12 = 36
4 minutes 36 seconds
In Reggie's class, 75% of the students brought their lunches on
Monday. If 21 students brought their lunches, how many students
are in the class in all?
Answer:
28 students
Step-by-step explanation:
The easiest way to solve this would be to set up an equation.
We can start by naming x the number of students in Reggie's class.
Therefore, our equation would be:
0.75x=21
We can get this by knowing 75% of the students brought their lunches, and there were 21 students that did.
75% is equivalent to 75/100 which is 0.75.
Next, we can solve the equation.
0.75x=21
To do this, we have to isolate x.
We need to reverse the multiplication with division.
We can do this by dividing both sides by 0.75 (What you do to one side you must do to the other)
0.75x/0.75=21/0.75
x=28
This means that there are 28 students in the class.
Step-by-step explanation:
In Reggie's class, 75% of the students brought their lunches on
Monday. If 21 students brought their lunches, how many students
are in the class in all?
28 students
help
I cant solve this question
Answer:
8 because if you add 1 ×8 you will get the answer 8
What is the volume of a rectangular prism with dimensions of 7, 3, and 2?
Answer:
volume of a rectangular prism = length * breadth* width = 7*3*2= 42
Completing proofs involving linear pairs.
Answer:
Try a,d,b,a
Step-by-step explanation:
o For students the
Reprezenty Proportional leationships. Quite Level
Mooket durre
to
Question 6
The graph represents how much money Emma makes selling
bracelets. The table shows how much Jack makes selling
comic books. Which statement is true?
20
10
16
14
12
Jack's Comics Sales
Number of Amount of
Comic Books money ($)
Bracelets cost moro
than comic books.
2
Amount of money ($)
7
10
3
10.5
O Bracelets are the
same price as comic
books.
6
5
17.5
4
2
Comic books cost
more than
bracelets.
0
1 2 3 4 5 6
Number of Bracelets
11
Complete
Answer:
Bracelets are the same price as comic books
Step-by-step explanation:
Determine the number of arrangements for the letters of the word GOALIE.
Answer:
555
Step-by-step explanation:
What are the solutions to the equation?
x^2 + 6x = 40
A electronics store was charging $5.20 for a charging cable but raised the price 4%. The new price after the increase is $5.41.
Answer:
4%=$0.21
Step-by-step explanation:
5.20+(5.20/100x4)=5.41
5.20+(0.052x4)=5.41
5.20+0.208=5.41
5.41=5.41
So, 4%=$0.21
The perimeter of a rectangular painting is 324 cm.
If the length of the painting is 87 cm, what is its width?
Answer:
The width is 75.
Step-by-step explanation:
First you divide 324 by 2, because the formula is: 2(l + w)
324 ÷ 2 = 162.
Then I would subtract 162 by 87 because of the formula. (To find out width)
162 - 87 = 75
The width is 75.
You can double check by in-putting them into the above formula.
2(75 + 87) = 324
x-4=12 What IS The Answer
Answer:
x = 16
Step-by-step explanation:
Add 4 to both sides, in order to isolate x:
x - 4 = 12
x = 16
So, x = 16
What are the coordinates of the point that is 2/5 of the way from A(3,-2) to B(3,13) ?
Answer:
3,9
Step-by-step explanation:
Find the sale price when the original price is $91.00 and the discount rate is 13%
Answer:
$79.17
Step-by-step explanation:
91.00 x 0.13= 11.83 (the discount)
91.00-11.83= $79.17 (the sale price)
Answer: $71.17
Step-by-step explanation: If 91 is the original price and the discount rate is 13%, 13% of 91 is being taken off and 87% is remaining, to find the 87% that's remaining multiply the original (91) by the the remaining percent(87%).91 x .87=71.17
87%-->.87
87x.01=.87
To find the decimal form of a percentage multiply the percentage by .01.
PLS help Thank You !!!!
Answer:
4
Step-by-step explanation:
40 - (18÷3)²
40 - (6)²
40 - 36
4
i think this is right
Answer:
(b) Jo answered 4 which is the right answer.
Step-by-step explanation:
First, you have to remember PEMDAS which is parentheses, exponents, multiplication, division, addition, and subtraction.
In this case, you need to do 18/3 first because that is in the parentheses which always goes first.
Your answer should be 6 and you should write the question like this:
40-(6)^2
Now, you need to do the exponent next which is 6x6 not 6x2.
Remember, exponents, are the base which is the number 6 multiplied by itself to that many times so in this case, our base is 6 and the exponent says we need to have 6 multiplied to itself 2 times. 6x6
We like to say 6 to the power of 2 is 36.
So now you need to write the simplified equation to this:
40-36=n
Our n variable is a placeholder for our answer.
Now it's basic subtraction which is 40-36 = 4
Therefore, Jo had the right answer.
PLEASE HELP 30 points
Select the correct answer.
Simplify the expression.
$768x845
OA. 4x2y $34
B. 4x2y2 3x2y
O c. 2xy2 +2x
OD. 4r3y +3.72
Reset
Answer:
A
Step-by-step explanation:
Given expression:
[tex]\sqrt[4]{768x^8y^5}[/tex]
Using rule [tex]\sqrt{ab} =\sqrt{a} \cdot \sqrt{b}[/tex]
[tex]=\sqrt[4]{768}\cdot \sqrt[4]{x^8} \cdot\sqrt[4]{y^5}[/tex]
Prime factorization of 768:
[tex]=\sqrt[4]{2^8\cdot3} \cdot \sqrt[4]{x^8} \cdot\sqrt[4]{y^5}[/tex]
[tex]=\sqrt[4]{2^8} \cdot \sqrt[4]{3} \cdot \sqrt[4]{x^8} \cdot\sqrt[4]{y^5}[/tex]
Using rule [tex]a^{b+c}=a^ba^c[/tex] :
[tex]=\sqrt[4]{2^8} \cdot \sqrt[4]{3} \cdot \sqrt[4]{x^8} \cdot\sqrt[4]{y^{4+1}}[/tex]
[tex]=\sqrt[4]{2^8} \cdot \sqrt[4]{3} \cdot \sqrt[4]{x^8} \cdot\sqrt[4]{y^4y^1}}[/tex]
[tex]=\sqrt[4]{2^8} \cdot \sqrt[4]{3} \cdot \sqrt[4]{x^8} \cdot\sqrt[4]{y^4} \cdot\sqrt[4]{y}[/tex]
Using rule [tex]\sqrt[a]{b^c} =b^{\frac{c}{a}}[/tex] :
[tex]=2^{\frac84}} \cdot \sqrt[4]{3} \cdot x^{\frac84}\cdot y^{\frac44} \cdot \sqrt[4]{y}[/tex]
[tex]=2^2 \cdot \sqrt[4]{3} \cdot x^2\cdot y \cdot \sqrt[4]{y}[/tex]
[tex]=4 \cdot \sqrt[4]{3} \cdot x^2\cdot y \cdot \sqrt[4]{y}[/tex]
Gather like terms:
[tex]=4 \cdot x^2\cdot y\cdot \sqrt[4]{3} \cdot \sqrt[4]{y}[/tex]
[tex]=4x^2y \sqrt[4]{3y}[/tex]
what is a adjacent angles???
Answer:
Two anglebare Adjacent when they have a common side and a common vertex (corner point) and don't overlap.
anybody know how to do this onee
[tex]volume \: = base \: area \: \times height[/tex]
[tex]volume = ( \frac{3}{4} \times \frac{1}{2} ) \times \frac{5}{8} \\ [/tex]
[tex]volume = \frac{3}{8} \times \frac{5}{8} \\ [/tex]
[tex]volume = \frac{15}{8} \\ [/tex]
Answer:
0.23
Step-by-step explanation:
The equation for finding the volume of a cube is
length x width x height
so you need to multiply 5/8 by 1/2.
This will give you 5/16.
Now multiply 5/16 by 3/4.
This will give you 15/64 , which in decimal form will be your answer 0.23
Hope that helps!
There is a rope running from the
top of a flagpole to a hook in the
ground. The flagpole is 6 meters
high, and the hook is 8 meters
from its base. How long is the
rope?
Can someone help me pls!
Answer:
The length of the rope = 8.94 meters
Step-by-step explanation:
The flagpole is 8 meters high
The hook is 4 meters from its base and the hook is in the ground
The flagpole and the ground ⊥ to each other
By using Pythagoras theorem:
The length of the rope = √(8² + 4²) = 5√5 = 8.94 meters
Using the slope equation m = y2−y1x2−x1 and given the points (0, 4) and (2, 1), find the slope
Answer:
m = -6
Step-by-step explanation:
Plug in the given terms.
m = (1 - 4)(2 - 0)
m = (-3)(2)
m = -6
Which relation is a function?
Answer:
B
Step-by-step explanation:
please help me please hop
f(-4) = 2
since the line passes through the point (- 4 ; 2)
point ( x ; f(x) )
Write the equation of the line that passes through the points (-6,6) and (7,7)
Answer:
y = 1/13 x + 84/13 or 13y = x + 84
Step-by-step explanation:
m = (y2 - y1) / (x2 - x1)
= (7 - 6) / [(7 - (-6)]
= 1 / 13
Solve for b. Use (-6, 6)
y = mx + b
6 = 1/13 (-6) + b
6 = -6/13 + b
6 + 6/13 = b
84/13 = b
Substitute the m and b:
y = mx + b
y = 1/13 x + 84/13 or 13y = x + 84
Answer this if you need points :)
hi bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
Will anyone help me for 18 points?
Answer:
use cymath it helps with math I use it all the time
Answer: [tex]2x^{3} - x^{2} - 7x + 2[/tex]
Step-by-step explanation:
See the attached image.
Work out the sizes of angles a, b and c. Give reasons for your answers.
Answer:
I think that you are wrong with that question
Answer:
a = 50° , b = 60° , c = 70°
Step-by-step explanation:
a and 130° are adjacent angles on a straight line and sum to 180° , then
a = 180° - 130° = 50°
b and 60° are vertically opposite angles and are congruent , so
b = 60°
the sum of the 3 angles in a triangle = 180° , that is
a + b + c = 180°
50° + 60° + c = 180°
110° + c = 180° ( subtract 110° from both sides )
c = 70°
Increase 268 by
by 75%
Answer:
268 increased by 75% of its value = 469
Step-by-step explanation:
hope this helps :))
The number when 268 is increased by 75% will be 469.
What is the percentage?The amount of any product is given as though it was a proportion of a hundred. The ratio can be expressed as a quarter of 100. The phrase % translates for one hundred percent. It is symbolized by the character '%'.
The percentage is given as,
Percentage (P) = [Final value - Initial value] / Initial value x 100
Let 'n' be the increased number. Then the equation is given as,
75% = [(n - 268) / 268] x 100
Simplify the equation, then we have
0.75 = (n - 268) / 268
n - 268 = 201
n = 201 + 268
n = 469
The number when 268 is increased by 75% will be 469.
More about the percentage link is given below.
https://brainly.com/question/8011401
#SPJ2
Which is not true about the graph of f(x) = |3x+2|
Answer: A
Step-by-step explanation:
Real numbers include negative numbers, and |3x+2| is always nonnegative.
what is the circumference of a circle with the radius of 5 cm use 3.14 for pi
Answer:
31.42cm
Step-by-step explanation:
What is the length, in units, of side B’C?
Answer: 1.25
Step-by-step explanation:
need help with thiss
There are 10 sides that are equal to [tex]2a^{3} +a^{2} - a[/tex], and 2 sides equqal to [tex]4a^{4}[/tex]
Perimeter : [tex]20a^{3} + 10a^{2} - 10a + 8a^{4}[/tex]
Hello!
10 (2a³ +a² -a) + 2 ( 4a^4)
= 20a³ + 10a² -10a + 8a^4
= 8a^4 +20a³ -10a² -10a
Solve for X, and show the equation you would use to solve.
Opposite interior angles are equal, so
4x - 10 = 2x + 20
2x - 10 = 20
2x = 30
x = 15
Answer:
4x-10=2x+20(being alternate angle)
or,4x-2x=20+10
or,2x=30
or,x=30/2
or,x=15
again,
4x-10 (putting the value of x)
=4×15-10
=60+10
=70
2x+20 (putting the value of x)
=2×15+20
=30+20
=50
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solved !!!
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